1. They couldn't help you because they were not here
They were not here so they couldn't help you
2. I can't go out because it's raining
It's raining so I can't go out
3. We are going shopping because we haven't got any food
We haven't got any food so we are going shopping
~Choa xin ctlhn nhắ cậu yew~
# Cheeseisblink